本文整理汇总了Java中org.apache.cassandra.hadoop.AbstractColumnFamilyOutputFormat类的典型用法代码示例。如果您正苦于以下问题:Java AbstractColumnFamilyOutputFormat类的具体用法?Java AbstractColumnFamilyOutputFormat怎么用?Java AbstractColumnFamilyOutputFormat使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
AbstractColumnFamilyOutputFormat类属于org.apache.cassandra.hadoop包,在下文中一共展示了AbstractColumnFamilyOutputFormat类的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: CqlRecordWriter
import org.apache.cassandra.hadoop.AbstractColumnFamilyOutputFormat; //导入依赖的package包/类
CqlRecordWriter(Configuration conf)
{
super(conf);
this.clients = new HashMap<>();
try
{
Cassandra.Client client = ConfigHelper.getClientFromOutputAddressList(conf);
if (client != null)
{
client.set_keyspace(ConfigHelper.getOutputKeyspace(conf));
String user = ConfigHelper.getOutputKeyspaceUserName(conf);
String password = ConfigHelper.getOutputKeyspacePassword(conf);
if ((user != null) && (password != null))
AbstractColumnFamilyOutputFormat.login(user, password, client);
retrievePartitionKeyValidator(client);
String cqlQuery = CqlConfigHelper.getOutputCql(conf).trim();
if (cqlQuery.toLowerCase().startsWith("insert"))
throw new UnsupportedOperationException("INSERT with CqlRecordWriter is not supported, please use UPDATE/DELETE statement");
cql = appendKeyWhereClauses(cqlQuery);
TTransport transport = client.getOutputProtocol().getTransport();
if (transport.isOpen())
transport.close();
}
else
{
throw new IllegalArgumentException("Invalid configuration specified " + conf);
}
}
catch (Exception e)
{
throw new RuntimeException(e);
}
}
开发者ID:vcostet,项目名称:cassandra-kmean,代码行数:36,代码来源:CqlRecordWriter.java
示例2: CqlRecordWriter
import org.apache.cassandra.hadoop.AbstractColumnFamilyOutputFormat; //导入依赖的package包/类
CqlRecordWriter(Configuration conf)
{
super(conf);
this.clients = new HashMap<>();
try
{
Cassandra.Client client = ConfigHelper.getClientFromOutputAddressList(conf);
client.set_keyspace(ConfigHelper.getOutputKeyspace(conf));
String user = ConfigHelper.getOutputKeyspaceUserName(conf);
String password = ConfigHelper.getOutputKeyspacePassword(conf);
if ((user != null) && (password != null))
AbstractColumnFamilyOutputFormat.login(user, password, client);
retrievePartitionKeyValidator(client);
String cqlQuery = CqlConfigHelper.getOutputCql(conf).trim();
if (cqlQuery.toLowerCase().startsWith("insert"))
throw new UnsupportedOperationException("INSERT with CqlRecordWriter is not supported, please use UPDATE/DELETE statement");
cql = appendKeyWhereClauses(cqlQuery);
if (client != null)
{
TTransport transport = client.getOutputProtocol().getTransport();
if (transport.isOpen())
transport.close();
}
}
catch (Exception e)
{
throw new RuntimeException(e);
}
}
开发者ID:daidong,项目名称:GraphTrek,代码行数:32,代码来源:CqlRecordWriter.java
注:本文中的org.apache.cassandra.hadoop.AbstractColumnFamilyOutputFormat类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
请发表评论